#include<stdio.h>
#include<stdlib.h>

typedef struct
{
    /* data */
    int x;
    int y;
}po;

int main(int argc, char const *arcv[]){
    po *p;
    p = malloc(sizeof(po));
    p->x = 5;
    p->y = 10;
    printf("%d\n",p->x);
    printf("%d\n",p->y);

    return 0;

    free(p);
}
